Finding the Fourth Proportional to 79,920.17, 110,281.98 and 44,107.87
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Solution
The fourth proportional to 79,920.17, 110,281.98 and 44,107.87 is: 60,864.52
Step by Step Solution
- Step 1: Write the proportion equation
79,920.17 : 110,281.98 = 44,107.87 : x - Step 2: Convert to fraction form
79,920.17/110,281.98 = 44,107.87/x - Step 3: Cross multiply
79,920.17x = 110,281.98 × 44,107.87 - Step 4: Simplify right side
79,920.17x = 4,864,302,899.44 - Step 5: Solve for x
x = 4,864,302,899.44/79,920.17 - Step 6: Final answer
x = 60,864.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.